mdn/content
Content
MDN Web Docs is the official source for comprehensive documentation about HTML, CSS, JavaScript, HTTP, and Web APIs for web developers. It serves as both a complete reference for web browser technologies and a structured learning platform that guides users from beginner to advanced levels through tutorials covering core web standards.
The project distinguishes itself by providing a complete reference documentation for standard browser APIs alongside guidance for building accessible websites that work with assistive technologies. It offers documented security techniques and best practices for defending against common web attacks and protecting user data, as well as strategies for optimizing web performance to make content load and become interactive as quickly as possible.
The content covers CSS and HTML authoring reference for syntax and best practices, a JavaScript language reference for built-in objects and features, and a structured web development learning path. The documentation is stored as plain Markdown files in a Git repository, enabling version control and collaborative editing through pull requests, with content organized into language-specific directories for multi-language support.